CVE-2025-29943 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
January 15, 2026
Last Seen
January 25, 2026

CVE-2025-29943 is a vulnerability tracked by ThreatCluster, appearing in 3 threat clusters built from 5 intelligence report mentions.

CVE-2025-29943 is a vulnerability tracked across 3 threat clusters and 5 intelligence report mentions on ThreatCluster. First observed January 15, 2026; most recent activity January 25, 2026.

Related Threat Clusters

  • AMD CPU Vulnerability CVE-2025-29943 Affects Zen Processors

    A security vulnerability in AMD's Zen processors allows for remote code execution, privilege escalation, and theft of private keys. AMD has released a patch for this issue, identified as CVE-2025-29943, which has been…

    2 articles · Updated January 18, 2026
  • Critical SEV-SNP Vulnerability in AMD Zen 1 Processors Identified

    The StackWarp vulnerability (CVE-2025-29943) affects AMD Zen 1–5 processors utilizing Secure Encrypted Virtualization – Secure Nested Paging (SEV-SNP). This critical hardware flaw allows a privileged attacker to…

    1 article · Updated January 25, 2026
  • StackWarp Vulnerability Exposes AMD CPUs to VM Attacks

    Researchers from the CISPA Helmholtz Center for Information Security have identified a vulnerability named StackWarp in AMD CPUs, affecting generations from Zen-1 to Zen-5. This flaw compromises the integrity of…

    5 articles · Updated January 15, 2026

Recent Intelligence Reports

  • StackWarp (CVE-2025-29943): Critical SEV-SNP Vulnerability in AMD Zen 1 — Rescana · January 25, 2026
  • AMD CPU users beware - this security flaw could spill all your secrets — Msn · January 18, 2026
  • AMD CPU users beware - this security flaw could spill all your secrets — Techradar · January 16, 2026
  • Flipping one bit leaves AMD CPUs open to VM vuln — Theregister · January 15, 2026
  • Flipping one bit leaves AMD CPUs open to VM vuln — Theregister · January 15, 2026

Frequently asked questions

What is CVE-2025-29943?

CVE-2025-29943 is a vulnerability tracked by ThreatCluster, appearing in 3 threat clusters built from 5 intelligence report mentions.

Is CVE-2025-29943 still active?

The most recent intelligence report mentioning CVE-2025-29943 on ThreatCluster is dated January 25, 2026. Activity was first observed January 15, 2026, giving a tracked span from then to January 25, 2026.

What is CVE-2025-29943 associated with?

Across ThreatCluster reporting, CVE-2025-29943 most frequently co-occurs with Zero-day Exploit, AMD, Germany, AMD SEV-SNP, AMD Zen CPUs, among 12 tracked related entities.

What are the latest developments involving CVE-2025-29943?

The most significant recent cluster is “AMD CPU Vulnerability CVE-2025-29943 Affects Zen Processors” (2 articles · Updated January 18, 2026). CVE-2025-29943 appears across 3 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on CVE-2025-29943?

CVE-2025-29943 appears in 5 intelligence report mentions across 3 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown